screensaver/screensaverplugins/snsrbigclockscreensaverplugin/src/snsroleddigitalclockcontainer.cpp
author hgs
Fri, 23 Jul 2010 13:47:57 +0300
changeset 69 87476091b3f5
parent 62 341166945d65
child 86 e4f038c420f7
permissions -rw-r--r--
201029
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/*
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* Copyright (c) 2009 - 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Container for oled digital clock.
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*
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*/
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#include "snsroleddigitalclockcontainer.h"
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#include <QDebug>
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#include <QGraphicsLinearLayout>
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#include <QTime>
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#include <QTimer>
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#include <HbExtendedLocale>
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#include <HbMainWindow>
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#include "snsrlabel.h"
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#include "snsrindicatorwidget.h"
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#include "snsroledtimelabel.h"
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/*!
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    \class SnsrOledDigitalClockContainer
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    \ingroup group_snsrbigclockscreensaverplugin
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    \brief Container used for preparing layout for oled digital clock.
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 */
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const char *gOledDigitalLayoutDocml = ":/xml/snsrbigclockscreensaveroleddigital.docml";
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extern const char *gPortraitSectionName;
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extern const char *gLandscapeSectionName;
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extern const char *gMainViewName;
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extern const char *gMainContainerName;
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extern const char *gClockContainerName;
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extern const char *gOledTimeLabelName = "oledTimeLabel";
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extern const char *gAmPmLabelName;
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extern const char *gDateLabelName;
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extern const char *gDateFormatVerticalStr;
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extern const char *gDateFormatHorizontalStr;
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extern const char *gTimeFormatStr;
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extern const char *gAmPmFormatStr;
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extern const char *gIndicatorWidgetName;
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/*!
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    Constructs a new SnsrOledDigitalClockContainer.
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 */
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SnsrOledDigitalClockContainer::SnsrOledDigitalClockContainer() :
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    SnsrBigClockContainer(), mClockContainer(0), mAmPmLabel(0),
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    mTimeLabel(0), mDateLabel(0), mDestPosition(QPointF()),
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    mInitialize(false)
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{
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    SCREENSAVER_TEST_FUNC_ENTRY("SnsrOledDigitalClockContainer::SnsrOledDigitalClockContainer")
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    SCREENSAVER_TEST_FUNC_EXIT("SnsrOledDigitalClockContainer::SnsrOledDigitalClockContainer")
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}
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/*!
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    Destructs the class.
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 */
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SnsrOledDigitalClockContainer::~SnsrOledDigitalClockContainer()
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{
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    resetIndicatorConnections();
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    //mTimeLabel, mAmPmLabel, mDateLabel, mMoveTimer - deleted by the parent
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}
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/*!
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    Updates OLED digital clock widget position.
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 */
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void SnsrOledDigitalClockContainer::updatePosition()
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{
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    QSizeF containerSize = mMainContainer->size();
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    // Container must have a valid size to enable calculating the 
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    // destination position for the clock.
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    if ( containerSize.width() > 0 && containerSize.height() > 0 ) {
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        containerSize -= mClockContainer->boundingRect().size();
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        QRectF containerRect( mMainContainer->pos(), containerSize );
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        if ( mInitialize ) {
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            // disconnect container from parent layout,
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            // connected container resets its position to the one defined in docml
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            // after label text updates
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            mClockContainer->setParentLayoutItem(0);
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            QPointF clockPos = nextRandomPosition( mClockContainer->pos(), mDestPosition, containerRect );
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            mClockContainer->setPos( clockPos );
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        }
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        else {
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            mDestPosition = randomPosition( containerRect );
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            mInitialize = true;
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        }
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        // the active area of power save mode needs to be updated when clock container is moved
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        emit activeAreaMoved();
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    }
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}
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/*!
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    Updates displayed time and date.
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 */
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void SnsrOledDigitalClockContainer::update()
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{
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    SCREENSAVER_TEST_FUNC_ENTRY("SnsrOledDigitalClockContainer::update")
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    // time
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    mTimeLabel->setText(
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        HbExtendedLocale().format(QTime::currentTime(), gTimeFormatStr)
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        );
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    // if clock type is 24h, this will return an empty string.
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    mAmPmLabel->setPlainText(
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        HbExtendedLocale().format(QTime::currentTime(), gAmPmFormatStr)
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        );
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    // date
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    if (mCurrentOrientation == Qt::Vertical) {
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        mDateLabel->setPlainText(
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            HbExtendedLocale().format(
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                QDate::currentDate(), gDateFormatVerticalStr)
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            );
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    } else {
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        mDateLabel->setPlainText(
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            HbExtendedLocale().format(
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                QDate::currentDate(), gDateFormatHorizontalStr)
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            );
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    }
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    updatePosition();
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    SCREENSAVER_TEST_FUNC_EXIT("SnsrOledDigitalClockContainer::update")
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}
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int SnsrOledDigitalClockContainer::updateIntervalInMilliseconds()
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{
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    return 60*1000;
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}
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/*!
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    @copydoc SnsrBigClockContainer::getActiveScreenRows()
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 */
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void SnsrOledDigitalClockContainer::getActiveScreenRows(int *firstActiveRow, int *lastActiveRow)
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{
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    if ( mClockContainer ) {
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        QRect clockRect( mClockContainer->pos().toPoint(), 
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                         mClockContainer->size().toSize() );
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        if ( mCurrentOrientation == Qt::Vertical ) {
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            *firstActiveRow = clockRect.top();
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            *lastActiveRow = clockRect.bottom() + 1;
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        }
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        else {
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            *firstActiveRow = clockRect.left();
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            *lastActiveRow = clockRect.right() + 1;
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        }
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    }
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}
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/*!
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    Orientation is locked in power save mode as sensors are off anyway,
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    at least after some timeout.
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 */
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bool SnsrOledDigitalClockContainer::isOrientationLocked()
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{
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    return true;
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}
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void SnsrOledDigitalClockContainer::loadWidgets()
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{
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    // reset widget pointers, any previous widgets are already deleted by now
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    mMainView = 0;
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    mMainContainer = 0;
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    mClockContainer = 0;
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    mDateLabel = 0;
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    mTimeLabel = 0;
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    mAmPmLabel = 0;
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    mIndicatorWidget = 0;
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    // load widgets from docml
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    bool ok(false);
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    qDebug() << gOledDigitalLayoutDocml;
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    mDocumentObjects = mDocumentLoader.load(gOledDigitalLayoutDocml, &ok);
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    Q_ASSERT_X(ok, gOledDigitalLayoutDocml, "Invalid DocML file.");
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    if (ok) {
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        mMainView = mDocumentLoader.findWidget(gMainViewName);
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        mMainContainer = mDocumentLoader.findWidget(gMainContainerName);
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        mClockContainer = mDocumentLoader.findWidget(gClockContainerName);
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        mDateLabel = qobject_cast<SnsrLabel *>(
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                mDocumentLoader.findWidget(gDateLabelName));
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        mTimeLabel = qobject_cast<SnsrOledTimeLabel *>(
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                mDocumentLoader.findWidget(gOledTimeLabelName));
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        mAmPmLabel = qobject_cast<SnsrLabel *>(
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                mDocumentLoader.findWidget(gAmPmLabelName));
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        mIndicatorWidget = qobject_cast<SnsrIndicatorWidget *>(
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                mDocumentLoader.findWidget(gIndicatorWidgetName));
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        Q_ASSERT_X(
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                mMainView && mMainContainer && mClockContainer 
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                && mDateLabel && mTimeLabel && mAmPmLabel
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                && mIndicatorWidget,
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                gOledDigitalLayoutDocml, "Objects not found in DocML file."
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                );
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        // In case of landscape layout, read also the landscape delta section
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        if ( mCurrentOrientation == Qt::Horizontal ) {
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            qDebug() << "loading: " << gOledDigitalLayoutDocml << ", section: " << gLandscapeSectionName;
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            mDocumentLoader.load(gOledDigitalLayoutDocml, gLandscapeSectionName, &ok);
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            Q_ASSERT_X(ok, gOledDigitalLayoutDocml, "Invalid section in DocML file.");
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        }
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        mIndicatorWidget->setLayoutType(SnsrIndicatorWidget::IndicatorsCentered);
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        initIndicatorWidget();
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        mBackgroundContainerLayout->addItem(mMainView);
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    }
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}
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// end of file